colour.models.oetf_inverse_BT709

colour.models.oetf_inverse_BT709(V)[source]

Defines Recommendation ITU-R BT.709-6 inverse opto-electronic transfer function (OETF / OECF).

Parameters:V (numeric or array_like) – Electrical signal \(V\).
Returns:Corresponding luminance \(L\) of the image.
Return type:numeric or ndarray

Notes

Domain Scale - Reference Scale - 1
V [0, 1] [0, 1]
Range Scale - Reference Scale - 1
L [0, 1] [0, 1]

References

[InternationalTelecommunicationUnion2015i]

Examples

>>> oetf_inverse_BT709(0.409007728864150)  # doctest: +ELLIPSIS
0.1...